lib/math/div64.c

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#ifndef BITS_PER_ITER

lib/math/div64.c

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#if BITS_PER_ITER == 32

lib/math/div64.c

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reps = 64 / BITS_PER_ITER;

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reps -= 32 / BITS_PER_ITER;

lib/math/div64.c

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#if BITS_PER_ITER == 16

lib/math/div64.c

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d_msig = (d >> (64 - BITS_PER_ITER)) + 1;

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q_digit = (unsigned long)(~n_hi >> (64 - 2 * BITS_PER_ITER)) / d_msig;

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overflow = n_hi >> (64 - BITS_PER_ITER);

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n_hi = add_u64_u32(n_hi << BITS_PER_ITER, n_lo >> (64 - BITS_PER_ITER));

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n_lo <<= BITS_PER_ITER;

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while (overflow < 0xffffffff >> (32 - BITS_PER_ITER)) {

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quotient = add_u64_long(quotient << BITS_PER_ITER, q_digit);